Mass Produced Engines

Mass produced engines, for main and auxiliary purposes, are defined as those which are produced under the following criteria:

  1. In quantity under strict quality control of material and parts, according to a quality assurance scheme acceptable to LR.
  2. By the use of jigs and automatic machine tools designed to machine parts to specified tolerances for interchangeability, and which are verified on a regular inspection basis.
  3. By assembly with parts taken from stock and requiring little or no fitting.
  4. With bench tests carried out on individual assembled engines according to a specified programme.
  5. With appraisal by final examination of engines selected at random after workshop testing.

Source: Rules and Regulations for the Classification of Mobile Offshore Units, Part 5, Main and Auxiliary Machinery, June 2013, Lloyd’s Register, Global Standards

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